Sökning: "single leach"

Hittade 2 uppsatser innehållade orden single leach.

1. 1. Rb-Sr sphalerite data and implications for the source and timing of Pb-Zn deposits at the Caledonian margin in Sweden

   Master-uppsats, Lunds universitet/Geologiska institutionen

   Författare :Alfred Larsson; [2018]
   Nyckelord :Laisvall; Granberget; geochronology; sphalerite; ore; Rb-Sr; Earth and Environmental Sciences;

   Sammanfattning : The eastern Caledonian erosional front hosts the world-class Pb-Zn deposit at Laisvall (64 Mt mined) and Granberget mineralization, northern Sweden, along with several other smaller, related types of deposits consisting of impregnation mineralization of galena and sphalerite in clastic host rocks. Previous work have discussed the nature of the ore-forming processes and constraints for the timing of the mineralization, however, the mechanisms are still not fully understood and previous age determinations are ambiguous. LÄS MER

3. 2. Undersökning av eventuell inverkan av järnsand på omgivande mark : Utvärdering av enstegslakning med 0,5 M HCl

   Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

   Författare :Linnea Ritola; [2017]
   Nyckelord :granulated copper slag; metal mobility; sorption; single leach;

   Sammanfattning : A disagreement has arisen between the localauthorities (Skellefteå kommun) and Boliden Mineral AB regarding the use of amaterial called .... LÄS MER